<?php

/**
 * This is the model class for table "tbl_brand".
 *
 * The followings are the available columns in table 'tbl_brand':
 * @property integer $brand_id
 * @property string $brand_name
 * @property string $brand_image
 * @property integer $category_id
 *
 * The followings are the available model relations:
 * @property Category $category
 */
class Brand extends CActiveRecord
{
	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'tbl_brand';
	}

    /**
    *@return string brand's name
    */
    public function getBrandName($brand_id=null) {
        if(!is_null($brand_id)){
            $brand_name=Brand::model()->findByPk($brand_id);
            return $brand_name['brand_name'];     
        }else{
            throw new CHttpException(404,'Mã thương hiệu không được truyền vào');
        }
    }
    
	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('brand_name, category_id', 'required','message'=>REQUIRED_NOT_NULL),
			array('category_id', 'numerical', 'integerOnly'=>true),
			array('brand_name', 'length', 'max'=>40),
            array('brand_image','url','allowEmpty'=>true,'message'=>IS_URL),
			array('brand_image', 'safe'),
			// The following rule is used by search().
			// @todo Please remove those attributes that should not be searched.
			array('brand_id, brand_name, brand_image, category_id', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'category' => array(self::BELONGS_TO, 'Category', 'category_id'),
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'brand_id' => 'Mã',
			'brand_name' => 'Thương hiệu',
			'brand_image' => 'Logo',
			'category_id' => 'Danh mục',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 *
	 * Typical usecase:
	 * - Initialize the model fields with values from filter form.
	 * - Execute this method to get CActiveDataProvider instance which will filter
	 * models according to data in model fields.
	 * - Pass data provider to CGridView, CListView or any similar widget.
	 *
	 * @return CActiveDataProvider the data provider that can return the models
	 * based on the search/filter conditions.
	 */
	public function search()
	{
		// @todo Please modify the following code to remove attributes that should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('brand_id',$this->brand_id);
		$criteria->compare('brand_name',$this->brand_name,true);
		$criteria->compare('brand_image',$this->brand_image,true);
		$criteria->compare('category_id',$this->category_id);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}

	/**
	 * Returns the static model of the specified AR class.
	 * Please note that you should have this exact method in all your CActiveRecord descendants!
	 * @param string $className active record class name.
	 * @return Brand the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}
}
